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feat: seek() filter and ffmpeg.SeekPosition, ffmpeg.SeekDuration

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* feat: seek() filter and ffmpeg.SeekPosition, ffmpeg.SeekDuration
This commit is contained in:
Adrian Shum 2022-10-23 14:47:09 +08:00 • committed by GitHub
parent 7350619928
commit 38b1b200ff
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GPG key ID: 4AEE18F83AFDEB23
11 changed files with 60 additions and 20 deletions
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10
ffmpeg/ffmpeg.go
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@ -107,13 +107,21 @@ func (av *AVContext) SelectPosition(f float64) (err error) {
func (av *AVContext) SelectDuration(ts time.Duration) (err error) {
if ts > 0 {
av.selectedDuration = ts
if err = seekDuration(av, ts); err != nil {
if err = av.SeekDuration(ts); err != nil {
return
}
}
return av.ProcessFrames(-1)
}
func (av *AVContext) SeekPosition(f float64) error {
return av.SeekDuration(av.positionToDuration(f))
}
func (av *AVContext) SeekDuration(ts time.Duration) error {
return seekDuration(av, ts)
}
func (av *AVContext) Export(bands int) (buf []byte, err error) {
if err = av.ProcessFrames(-1); err != nil {
return